On 16/03/2015 07:19, Wen Congyang wrote:
> On 03/13/2015 05:05 PM, Fam Zheng wrote:
>> On Fri, 03/13 17:01, Wen Congyang wrote:
>>> On 03/11/2015 02:49 PM, Fam Zheng wrote:
On Wed, 03/11 14:44, Wen Congyang wrote:
> On 03/03/2015 03:59 PM, Fam Zheng wrote:
>> On Tue, 03/03 15:53, Wen
On 03/13/2015 05:05 PM, Fam Zheng wrote:
> On Fri, 03/13 17:01, Wen Congyang wrote:
>> On 03/11/2015 02:49 PM, Fam Zheng wrote:
>>> On Wed, 03/11 14:44, Wen Congyang wrote:
On 03/03/2015 03:59 PM, Fam Zheng wrote:
> On Tue, 03/03 15:53, Wen Congyang wrote:
>> I test qcow2_make_empty()'
On Fri, 03/13 17:01, Wen Congyang wrote:
> On 03/11/2015 02:49 PM, Fam Zheng wrote:
> > On Wed, 03/11 14:44, Wen Congyang wrote:
> >> On 03/03/2015 03:59 PM, Fam Zheng wrote:
> >>> On Tue, 03/03 15:53, Wen Congyang wrote:
> I test qcow2_make_empty()'s performance. The result shows that it may
On 03/11/2015 02:49 PM, Fam Zheng wrote:
> On Wed, 03/11 14:44, Wen Congyang wrote:
>> On 03/03/2015 03:59 PM, Fam Zheng wrote:
>>> On Tue, 03/03 15:53, Wen Congyang wrote:
I test qcow2_make_empty()'s performance. The result shows that it may
take about 100ms(normal sata disk). It is not
On 03/11/2015 03:04 PM, Fam Zheng wrote:
> On Wed, 03/11 15:01, Wen Congyang wrote:
>> On 03/11/2015 02:49 PM, Fam Zheng wrote:
>>> On Wed, 03/11 14:44, Wen Congyang wrote:
On 03/03/2015 03:59 PM, Fam Zheng wrote:
> On Tue, 03/03 15:53, Wen Congyang wrote:
>> I test qcow2_make_empty()'
On Wed, 03/11 15:01, Wen Congyang wrote:
> On 03/11/2015 02:49 PM, Fam Zheng wrote:
> > On Wed, 03/11 14:44, Wen Congyang wrote:
> >> On 03/03/2015 03:59 PM, Fam Zheng wrote:
> >>> On Tue, 03/03 15:53, Wen Congyang wrote:
> I test qcow2_make_empty()'s performance. The result shows that it may
On 03/11/2015 02:49 PM, Fam Zheng wrote:
> On Wed, 03/11 14:44, Wen Congyang wrote:
>> On 03/03/2015 03:59 PM, Fam Zheng wrote:
>>> On Tue, 03/03 15:53, Wen Congyang wrote:
I test qcow2_make_empty()'s performance. The result shows that it may
take about 100ms(normal sata disk). It is not
On Wed, 03/11 14:44, Wen Congyang wrote:
> On 03/03/2015 03:59 PM, Fam Zheng wrote:
> > On Tue, 03/03 15:53, Wen Congyang wrote:
> >> I test qcow2_make_empty()'s performance. The result shows that it may
> >> take about 100ms(normal sata disk). It is not acceptable for COLO. So
> >> I think disk bu
On 03/03/2015 03:59 PM, Fam Zheng wrote:
> On Tue, 03/03 15:53, Wen Congyang wrote:
>> I test qcow2_make_empty()'s performance. The result shows that it may
>> take about 100ms(normal sata disk). It is not acceptable for COLO. So
>> I think disk buff is necessary(just use it to replace qcow2).
>
>
* Wen Congyang (we...@cn.fujitsu.com) wrote:
> On 03/05/2015 12:35 AM, Dr. David Alan Gilbert wrote:
> > * Wen Congyang (we...@cn.fujitsu.com) wrote:
> >> Signed-off-by: Wen Congyang
> >> Signed-off-by: Paolo Bonzini
> >> Signed-off-by: Yang Hongyang
> >> Signed-off-by: zhanghailiang
> >> Signe
On 03/05/2015 12:35 AM, Dr. David Alan Gilbert wrote:
> * Wen Congyang (we...@cn.fujitsu.com) wrote:
>> Signed-off-by: Wen Congyang
>> Signed-off-by: Paolo Bonzini
>> Signed-off-by: Yang Hongyang
>> Signed-off-by: zhanghailiang
>> Signed-off-by: Gonglei
>
> Hi,
>
>> ---
>> docs/block-replic
* Wen Congyang (we...@cn.fujitsu.com) wrote:
> Signed-off-by: Wen Congyang
> Signed-off-by: Paolo Bonzini
> Signed-off-by: Yang Hongyang
> Signed-off-by: zhanghailiang
> Signed-off-by: Gonglei
Hi,
> ---
> docs/block-replication.txt | 129
> +
> 1
On 03/03/2015 03:59 PM, Fam Zheng wrote:
> On Tue, 03/03 15:53, Wen Congyang wrote:
>> I test qcow2_make_empty()'s performance. The result shows that it may
>> take about 100ms(normal sata disk). It is not acceptable for COLO. So
>> I think disk buff is necessary(just use it to replace qcow2).
>
>
On Tue, 03/03 15:53, Wen Congyang wrote:
> I test qcow2_make_empty()'s performance. The result shows that it may
> take about 100ms(normal sata disk). It is not acceptable for COLO. So
> I think disk buff is necessary(just use it to replace qcow2).
Why not tmpfs or ramdisk?
Fam
On 02/12/2015 06:26 PM, f...@redhat.com wrote:
> On Thu, 02/12 18:11, Wen Congyang wrote:
>> On 02/12/2015 05:44 PM, Fam Zheng wrote:
>>> On Thu, 02/12 17:33, Wen Congyang wrote:
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21
On Fri, 02/27 10:27, Wen Congyang wrote:
> > 1. nbd-target0 is writable here, without the drive-backup, hidden0 could be
> > corrupted by writings to it. So there need to be a new convention and
> > invariance to follow.
>
> Hmm, I understand while the hidden-disk should be opened automatically no
On 02/26/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/26 14:38, Wen Congyang wrote:
>> On 02/25/2015 10:46 AM, Fam Zheng wrote:
>>> On Tue, 02/24 15:50, Wen Congyang wrote:
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21 PM, Fa
On 02/25/2015 04:58 PM, Fam Zheng wrote:
> On Wed, 02/25 16:36, Wen Congyang wrote:
>> On 02/25/2015 10:46 AM, Fam Zheng wrote:
>>> On Tue, 02/24 15:50, Wen Congyang wrote:
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21 PM, Fa
On Wed, 02/25 17:10, Wen Congyang wrote:
> On 02/12/2015 04:44 PM, Fam Zheng wrote:
> > On Thu, 02/12 15:40, Wen Congyang wrote:
> >> On 02/12/2015 03:21 PM, Fam Zheng wrote:
> >>> Hi Congyang,
> >>>
> >>> On Thu, 02/12 11:07, Wen Congyang wrote:
> +== Workflow ==
> +The following is the
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21 PM, Fam Zheng wrote:
>>> Hi Congyang,
>>>
>>> On Thu, 02/12 11:07, Wen Congyang wrote:
+== Workflow ==
+The following is the image of block replication workflow:
+
+
On Wed, 02/25 16:36, Wen Congyang wrote:
> On 02/25/2015 10:46 AM, Fam Zheng wrote:
> > On Tue, 02/24 15:50, Wen Congyang wrote:
> >> On 02/12/2015 04:44 PM, Fam Zheng wrote:
> >>> On Thu, 02/12 15:40, Wen Congyang wrote:
> On 02/12/2015 03:21 PM, Fam Zheng wrote:
> > Hi Congyang,
> >
On 02/25/2015 10:46 AM, Fam Zheng wrote:
> On Tue, 02/24 15:50, Wen Congyang wrote:
>> On 02/12/2015 04:44 PM, Fam Zheng wrote:
>>> On Thu, 02/12 15:40, Wen Congyang wrote:
On 02/12/2015 03:21 PM, Fam Zheng wrote:
> Hi Congyang,
>
> On Thu, 02/12 11:07, Wen Congyang wrote:
>> +
On Wed, 02/25 16:11, Wen Congyang wrote:
> >
> >{virtio-blk dev 'foo'}
> > |
> > |
> > |
> > [base] <- [mid] <- (foo)
>
> foo's backing is mid, and mid's backing is base?
Yes.
Fam
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21 PM, Fam Zheng wrote:
>>> Hi Congyang,
>>>
>>> On Thu, 02/12 11:07, Wen Congyang wrote:
+== Workflow ==
+The following is the image of block replication workflow:
+
+
On Tue, 02/24 15:50, Wen Congyang wrote:
> On 02/12/2015 04:44 PM, Fam Zheng wrote:
> > On Thu, 02/12 15:40, Wen Congyang wrote:
> >> On 02/12/2015 03:21 PM, Fam Zheng wrote:
> >>> Hi Congyang,
> >>>
> >>> On Thu, 02/12 11:07, Wen Congyang wrote:
> +== Workflow ==
> +The following is the
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21 PM, Fam Zheng wrote:
>>> Hi Congyang,
>>>
>>> On Thu, 02/12 11:07, Wen Congyang wrote:
+== Workflow ==
+The following is the image of block replication workflow:
+
+
On 02/13/2015 02:01 AM, Fam Zheng wrote:
On Fri, 02/13 13:09, Wen Congyang wrote:
What is image fleecing?
It's the name of the feature which enables the built-in NBD server to exporting
a thin point-in-time snapshot created via drive-backup sync=none.
It's for host side data scanning tool
On Fri, 02/13 13:09, Wen Congyang wrote:
> What is image fleecing?
>
It's the name of the feature which enables the built-in NBD server to exporting
a thin point-in-time snapshot created via drive-backup sync=none.
It's for host side data scanning tool to access a disk snapshot of running VM.
Th
On 02/12/2015 06:26 PM, f...@redhat.com wrote:
> On Thu, 02/12 18:11, Wen Congyang wrote:
>> On 02/12/2015 05:44 PM, Fam Zheng wrote:
>>> On Thu, 02/12 17:33, Wen Congyang wrote:
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21
On Thu, 02/12 18:11, Wen Congyang wrote:
> On 02/12/2015 05:44 PM, Fam Zheng wrote:
> > On Thu, 02/12 17:33, Wen Congyang wrote:
> >> On 02/12/2015 04:44 PM, Fam Zheng wrote:
> >>> On Thu, 02/12 15:40, Wen Congyang wrote:
> On 02/12/2015 03:21 PM, Fam Zheng wrote:
> > Hi Congyang,
> >
On 02/12/2015 05:44 PM, Fam Zheng wrote:
> On Thu, 02/12 17:33, Wen Congyang wrote:
>> On 02/12/2015 04:44 PM, Fam Zheng wrote:
>>> On Thu, 02/12 15:40, Wen Congyang wrote:
On 02/12/2015 03:21 PM, Fam Zheng wrote:
> Hi Congyang,
>
> On Thu, 02/12 11:07, Wen Congyang wrote:
>> +
On Thu, 02/12 17:36, Hongyang Yang wrote:
> Hi Fam,
>
> 在 02/12/2015 04:44 PM, Fam Zheng 写道:
> >On Thu, 02/12 15:40, Wen Congyang wrote:
> >>On 02/12/2015 03:21 PM, Fam Zheng wrote:
> >>>Hi Congyang,
> >>>
> >>>On Thu, 02/12 11:07, Wen Congyang wrote:
> +== Workflow ==
> +The following is
On Thu, 02/12 17:33, Wen Congyang wrote:
> On 02/12/2015 04:44 PM, Fam Zheng wrote:
> > On Thu, 02/12 15:40, Wen Congyang wrote:
> >> On 02/12/2015 03:21 PM, Fam Zheng wrote:
> >>> Hi Congyang,
> >>>
> >>> On Thu, 02/12 11:07, Wen Congyang wrote:
> +== Workflow ==
> +The following is the
Hi Fam,
在 02/12/2015 04:44 PM, Fam Zheng 写道:
On Thu, 02/12 15:40, Wen Congyang wrote:
On 02/12/2015 03:21 PM, Fam Zheng wrote:
Hi Congyang,
On Thu, 02/12 11:07, Wen Congyang wrote:
+== Workflow ==
+The following is the image of block replication workflow:
+
++--+
On 02/12/2015 04:44 PM, Fam Zheng wrote:
> On Thu, 02/12 15:40, Wen Congyang wrote:
>> On 02/12/2015 03:21 PM, Fam Zheng wrote:
>>> Hi Congyang,
>>>
>>> On Thu, 02/12 11:07, Wen Congyang wrote:
+== Workflow ==
+The following is the image of block replication workflow:
+
+
On Thu, 02/12 15:40, Wen Congyang wrote:
> On 02/12/2015 03:21 PM, Fam Zheng wrote:
> > Hi Congyang,
> >
> > On Thu, 02/12 11:07, Wen Congyang wrote:
> >> +== Workflow ==
> >> +The following is the image of block replication workflow:
> >> +
> >> ++--++-
On 02/12/2015 03:21 PM, Fam Zheng wrote:
> Hi Congyang,
>
> On Thu, 02/12 11:07, Wen Congyang wrote:
>> +== Workflow ==
>> +The following is the image of block replication workflow:
>> +
>> ++--+++
>> +|Primary Write Requests|
Hi Congyang,
On Thu, 02/12 11:07, Wen Congyang wrote:
> +== Workflow ==
> +The following is the image of block replication workflow:
> +
> ++--+++
> +|Primary Write Requests||Secondary Write Requests|
> ++-
Signed-off-by: Wen Congyang
Signed-off-by: Paolo Bonzini
Signed-off-by: Yang Hongyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
docs/block-replication.txt | 129 +
1 file changed, 129 insertions(+)
create mode 100644 docs/block-replic
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